What was the main cause of european colonization in america?

They did find a lot of gold and silver when they conquered the Aztec and Inca Empires. France colonized North America because of the great amount of furs they found there.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.